<template>
  <div>
      <div class="shopcart">
        <div class="content2">
          <div class="content-left">
            <div class="logo-wrapper">
              <div @click="toggleCartShow" class="logo " :class="{highlight: totalCount}">
                <i class="iconfont icon-gouwuche1" :class="{highlight: totalCount}"></i>
              </div>
              <div class="num" v-show="totalCount">{{totalCount}}</div>
            </div>
            <div class="price highlight">￥{{totalPrice}}</div>
            <div class="desc" v-if="info">另需配送费￥{{info.deliveryPrice}}元</div>
          </div>
          <div class="content-right">
            <div class="pay " :class="payClass">
              {{payContent}}
            </div>
          </div>
        </div>

        <transition name="fade">
          <div class="shopcart-list" v-show="isShowCart">
            <div class="list-header">
              <h1 class="title">购物车</h1>
              <span class="empty" @click="clearCart">清空</span>
            </div>
            <div class="list-content">
              <ul>
                <li class="food" v-for="(food, index) in cartShops" :key="index">
                  <span class="name">{{food.name}}</span>
                  <div class="price"><span>￥{{food.price}}</span></div>
                  <div class="cartcontrol-wrapper">
                    <!--<div class="cartcontrol">-->
                      <!--<div class="iconfont icon-remove_circle_outline"></div>-->
                      <!--<div class="cart-count">1</div>-->
                      <!--<div class="iconfont icon-add_circle"></div>-->
                    <!--</div>-->
                    <CartControl :food="food"/>
                  </div>
                </li>
              </ul>
            </div>
          </div>
        </transition>
      </div>
      <div class="list-mask" @click="isShowCart = false" v-show="isShowCart"></div>
    </div>
</template>

<script>
  import {mapGetters, mapState} from 'vuex'
  import {CLEAR_CARTSHOPS} from '../../store/mutations-type'
  import {MessageBox} from 'mint-ui'
  import CartControl from '../CartControl/CartControl'
  export default {
    components: {
      CartControl
    },
    data(){
      return {
        isShowCart: false
      }
    },
    computed: {
      // mapGetters的时候只能用数组的形式
      ...mapGetters(['totalCount', 'totalPrice']),
      ...mapState({
        info: state => state.shop.shopDatas.info,
        cartShops: state => state.shop.cartShops
      }),
      payContent(){
        let {totalPrice, info} = this
        if(!info){
          return
        }
        let text
        if(totalPrice === 0){
          text = `${info.minPrice}元起送`
        }else if(totalPrice > 0 && totalPrice < info.minPrice){
          text = `差${info.minPrice - totalPrice}元配送`
        }else {
          text = '去结算'
        }
        return text
      },
      payClass(){
        let {totalPrice, info} = this
        if(!info){
          return
        }
        return totalPrice - info.minPrice >= 0?'enough' : 'not-enough'
      }
    },
    methods: {
      toggleCartShow(){
        this.totalCount && (this.isShowCart = !this.isShowCart)
      },
      // 清空购物车
      clearCart(){
        MessageBox.confirm('确认清空吗？')
          .then(
            actionAgree => this.$store.commit(CLEAR_CARTSHOPS),
            actionReject => console.log('取消清空')
          )
      }
    },
    watch: {
      cartShops(newValue){
        !newValue.length && (this.isShowCart = false)
      }
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus" scoped>
  @import "../../common/stylus/mixins.styl"
  .shopcart
    position: fixed
    left: 0
    bottom: 0
    z-index: 50
    width: 100%
    height: 48px
    .content2
      display: flex
      background: #141d27
      font-size: 0
      color: rgba(255, 255, 255, 0.4)
      .content-left
        flex: 1
        .logo-wrapper
          display: inline-block
          vertical-align: top
          position: relative
          top: -10px
          margin: 0 12px
          padding: 6px
          width: 56px
          height: 56px
          box-sizing: border-box
          border-radius: 50%
          background: #141d27
          .logo
            width: 100%
            height: 100%
            border-radius: 50%
            text-align: center
            background: #2b343c
            &.highlight
              background: $green
            .icon-gouwuche1
              line-height: 44px
              font-size: 24px
              color: #80858a
              &.highlight
                color: #fff
          .num
            position: absolute
            top: 0
            right: 0
            width: 24px
            height: 16px
            line-height: 16px
            text-align: center
            border-radius: 16px
            font-size: 9px
            font-weight: 700
            color: #ffffff
            background: rgb(240, 20, 20)
            box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.4)
        .price
          display: inline-block
          vertical-align: top
          margin-top: 12px
          line-height: 24px
          padding-right: 12px
          box-sizing: border-box
          border-right: 1px solid rgba(255, 255, 255, 0.1)
          font-size: 16px
          font-weight: 700
          &.highlight
            color: #fff
        .desc
          display: inline-block
          vertical-align: top
          margin: 12px 0 0 12px
          line-height: 24px
          font-size: 10px
      .content-right
        flex: 0 0 105px
        width: 105px
        .pay
          height: 48px
          line-height: 48px
          text-align: center
          font-size: 12px
          font-weight: 700
          &.not-enough
            background: #2b333b
          &.enough
            background: #00b43c
            color: #fff
    .shopcart-list
      position: absolute
      left: 0
      top: 0
      z-index: -1
      width: 100%
      transform translateY(-100%)
      &.fade-enter-active, &.fade-leave-active
        transition all .5s
      &.fade-enter, &.fade-leave-to
        transform translateY(0)
      .list-header
        height: 40px
        line-height: 40px
        padding: 0 18px
        background: #f3f5f7
        border-bottom: 1px solid rgba(7, 17, 27, 0.1)
        .title
          float: left
          font-size: 14px
          color: rgb(7, 17, 27)
        .empty
          float: right
          font-size: 12px
          color: rgb(0, 160, 220)

      .list-content
        padding: 0 18px
        max-height: 217px
        overflow: hidden
        background: #fff
        .food
          position: relative
          padding: 12px 0
          box-sizing: border-box
          bottom-border-1px(rgba(7, 17, 27, 0.1))
          .name
            line-height: 24px
            font-size: 14px
            color: rgb(7, 17, 27)
          .price
            position: absolute
            right: 90px
            bottom: 12px
            line-height: 24px
            font-size: 14px
            font-weight: 700
            color: rgb(240, 20, 20)
          .cartcontrol-wrapper
            position: absolute
            right: 0
            bottom: 13px

  .list-mask
    position: fixed
    top: 0
    left: 0
    width: 100%
    height: 100%
    z-index: 40
    backdrop-filter: blur(10px)
    opacity: 1
    background: rgba(7, 17, 27, 0.6)
    &.fade-enter-active, &.fade-leave-active
      transition: all 0.5s
    &.fade-enter, &.fade-leave-to
      opacity: 0
</style>
